The temperature on February 21, 1869 was about 2.6 °C. There was 0.2 mm of rain. The air pressure was 14 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 79%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
March 6 » Dmitri Mendeleev presents the first periodic table to the Russian Chemical Society.
March 24 » The last of Titokowaru's forces surrendered to the New Zealand government, ending his uprising.
April 6 » Celluloid is patented.
May 10 » The First Transcontinental Railroad, linking the eastern and western United States, is completed at Promontory Summit, Utah with the golden spike.
July 10 » Gävle, Sweden, is largely destroyed in a fire; 80% of its 10,000 residents are left homeless.
July 25 » The Japanese daimyōs begin returning their land holdings to the emperor as part of the Meiji Restoration reforms. (Traditional Japanese Date: June 17, 1869).
Day of marriage August 26, 1899
The temperature on August 26, 1899 was about 19.3 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 67%. Source: KNMI
January 17 » The United States takes possession of Wake Island in the Pacific Ocean.
February 22 » Filipino forces led by General Antonio Luna launch counterattacks for the first time against the American forces during the Philippine–American War. The Filipinos fail to regain Manila from the Americans.
March 6 » Bayer registers "Aspirin" as a trademark.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
November 2 » The Boers begin their 118-day siege of British-held Ladysmith during the Second Boer War.
Day of death September 4, 1943
The temperature on September 4, 1943 was between 8.6 °C and 20.5 °C and averaged 14.2 °C. There was 0.1 mm of rain. There was 11.7 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 29 » World War II: The first day of the Battle of Rennell Island, USSChicago(CA-29) is torpedoed and heavily damaged by Japanese bombers.
March 14 » The liquidation of the Kraków Ghetto is completed.
March 21 » Wehrmacht officer Rudolf von Gersdorff plots to assassinate Adolf Hitler by using a suicide bomb, but the plan falls through; von Gersdorff is able to defuse the bomb in time and avoid suspicion.
August 27 » World War II: Aerial bombardment by the Luftwaffe razes to the ground the village of Vorizia in Crete.
November 16 » World War II: American bombers strike a hydro-electric power facility and heavy water factory in German-controlled Vemork, Norway.
December 8 » World War II: The German 117th Jäger Division destroys the monastery of Mega Spilaio in Greece and executes 22 monks and visitors as part of reprisals that culminated a few days later with the Massacre of Kalavryta.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I291279.php : accessed February 16, 2026), "Janna Knigge (1869-1943)".
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